GPA-4000

Professional Power Amplifier

Dimensions: 19 x 13 x 5.5” (483 x 330 x 140 mm)

Weight: 24 lbs (10.89 kg)

GPA-3000

Professional Power Amplifier

Dimensions: 19 x 13 x 5.5” (483 x 330 x 140 mm)

Weight: 22 lbs (9.98 kg)

GPA-2000

Professional Power Amplifier

Dimensions: 19 x 13 x 5.5” (483 x 330 x 140 mm)

Weight: 20 lbs (9.07 kg)

GPA-1000

Professional Power Amplifier

Dimensions: 19 x 13 x 5.5” (483 x 330 x 140 mm)

Weight: 18 lbs (8.16 kg)

Each GPA Series power amplifier features 1/4” TRS Balanced/Unbalanced inputs and XLR Inputs as well as 1/4” & Speakon™ outputs. Each amplifier comes equipped with a high-airflow cooling fan that guides hot air from the front of the unit to the back which prevents overheating during use.

Additional GPA Series Specifications

Dimensions

19 x 10.75 x 3.5” (483 x 273 x 89 mm)

Total Harmonic Distortion

less than 0.05%, typical 0.02% at 1 kHz

Signal to Noise Ratio

100 dB below rated power @ 8 Ohms

Damping Factor

greater than 200 @ 8 Ohms

Slew Rate

20 V/µS

Input Sensitivity (for rated power at 8 Ohm)

1 VRMS

Indicators

1 Power LED, 1 Protect LED (except GPA-1000), VU-meter per Channel

Cooling

Fan, Front-to-Rear Forced Air

Protection

Short Circuit, DC, Thermal Cut-off, Sub/Ultrasonic Frequency Filters,

 

Turn-on Delay, Main Fuse, Secondary DC Fuses

Measured using EIA standards:

1kHz @ 1% THD

 

GPA-4000

GPA-3000

GPA-2000

GPA-1000

 

 

 

 

 

8 Ohms

200W RMS / 400W Peak

140W RMS / 280W Peak

85W RMS / 170W Peak

70W RMS / 140W Peak

 

 

 

 

 

4 Ohms

300W RMS / 600W Peak

200W RMS / 400W Peak

110W RMS / 220W Peak

90W RMS / 180W Peak

 

 

 

 

 

8 Ohms (Mono Bridge)

600W RMS / 1200W Peak

400W RMS / 800W Peak

220W RMS / 440W Peak

180W RMS / 360W Peak

 

 

 

 

 

Momentary Peak Output

4000 W

3000 W

2000 W

1000 W

 

 

 

 

 

Dynamic Headroom (8 Ohms)

1.6 dB

1.5 dB

1.4 dB

1.3 dB

 

 

 

 

 

Dynamic Headroom (4 Ohms)

2.2 dB

2.0 dB

1.9 dB

1.8 dB

 

 

 

 

 

Voltage Gain

32 dB

30 dB

28 dB

27 dB

 

 

 

 

 

Power Consumption

1200 W

800 W

500 W

400 W

(Both Channels drive at 4 Ohms)

 

 

 

 

 

 

 

 

 

Every GPA Series amplifier features stereo, parallel mono and bridge modes

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Gemini 36 manual GPA-4000, GPA-3000, GPA-2000, GPA-1000

36 specifications

Gemini 36 is a remarkable spacecraft that stands out as a significant achievement in the field of space exploration and shuttle design. Designed and constructed as part of NASA's Gemini program in the 1960s, it played a critical role in paving the way for human spaceflight and the subsequent Apollo missions.

One of the main features of Gemini 36 is its ability to support two astronauts, allowing for extended missions that could last up to two weeks. The spacecraft was equipped with advanced life-support systems, enabling astronauts to conduct long-duration flights, test critical equipment, and perform extravehicular activities (EVAs). Gemini 36 was built to be more versatile than its predecessors, offering greater maneuverability and the capacity to rendezvous and dock with other spacecraft, which were essential skills for future moon missions.

The design of Gemini 36 was both innovative and functional. It featured a conical shape, which contributed to its aerodynamic profile during re-entry. The spacecraft was also outfitted with a heat shield that protected it from the intense heat generated upon re-entering Earth's atmosphere. To enhance its stability and control, Gemini 36 had an array of thrusters and gyroscopes that allowed astronauts to execute precise maneuvers in orbit.

In terms of technologies, Gemini 36 employed a sophisticated guidance and navigation system. This included an inertial guidance unit that used gyroscopes to track the spacecraft's position and orientation in space. Additionally, the cockpit was equipped with a digital computer that facilitated real-time data processing and decision-making, which was groundbreaking for the time. Communication systems allowed astronauts to maintain contact with Mission Control, providing vital support for mission success.

The spacecraft’s launch vehicle was the Titan II rocket, a significant advancement in rocketry technology. The Titan II was not only powerful but also reliable, making it a suitable choice for the demanding missions of the Gemini program.

In summary, Gemini 36 combined groundbreaking features, technologies, and characteristics that not only advanced human spaceflight but also laid the groundwork for the future of space exploration. Its development was a testament to the ingenuity of the engineers and astronauts, reflecting the spirit of exploration and the quest for knowledge beyond our planet. Gemini 36 remains an iconic symbol of the achievements of the Gemini program and the enduring human drive to explore the cosmos.